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|Java - Interview Questions and Answers|
|Ans. A shard is a uniquely identified group of data records in a stream or we can say that Shard is a partition in Kinesis stream. A shard supports a fixed bandwidth i.e fixed number of messages per second. The total capacity of the stream is the sum of the capacities of its shards. If the data rate changes, we can allocate / deallocate more shards to accommodate that.|
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|Like Discuss Correct / Improve  Amazon AWS  AWS  Amazon Kinesis Stream  shard  shard in amazon kinesis|
|What is the relationship between shard and partition key in kinesis stream ?|